Aphodius contaminatus (Herbst, 1973)
A late summer and autumn species found throughout England , Scotland and Wales in various types of dung. From late August this may become the most common species, and sometimes the only species, with each dung sample containing many hundreds. Disturbing dung attracts adults in swarms , especially so on hot days. Long legged and with distinctive elytra it is possible with a little experience to identify this species in the field although A. obliteratus is superficially similar. (See ID Aids)

5-7mm. Scutellum short (≤10% sutural length). Pronotal base bordered, seen as a fine continuous groove and front angles with a distinct yellow or light brown patch, this colour usually extending laterally towards the hind angles. Elytra clothed with short setae to base. Head dark with paler margins and clypeus with obvious setae. Pronotum with long dense yellowish setae laterally, a feature distinguishing this from A. obliteratus but often matted and so not necessarily useful in the field. Discrete marks on elytral intervals 2,3 and 4 and dark longitudinal stripes from shoulder on 6 and 7 are characteristic.

Description from 4 Watford specimens at X20


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